MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure for educational materials. The primary malicious URL identified is https://ttraff.ru/pify?keyword=free+3rd+grade+math+workbook+pdf, which is likely used to redirect the user to a further malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=free+3rd+grade+math+workbook+pdf
- http://pexozosiz.thebankeye.org/uploads/1/3/1/3/131380429/8522862.pdf
- http://files.dannyanthonywritings.com/uploads/1/3/2/7/132740291/duwevekimizak-lomizinijujaguk.pdf
- http://files.mindfulneuropsych.org/uploads/1/3/2/8/132814589/94d108a36.pdf
- https://cdn.shopify.com/s/files/1/0432/1119/4525/files/vajapewutiginivive.pdf
- https://cdn.shopify.com/s/files/1/0432/5667/6510/files/telolitanifaxeteroranavo.pdf
- https://cdn.shopify.com/s/files/1/0429/1756/0473/files/chemical_reaction_and_equation_class_10.pdf
- https://cdn.shopify.com/s/files/1/0437/0504/1051/files/fepewibe.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7414/files/kofesomafadojejijox.pdf
- https://cdn.shopify.com/s/files/1/0428/7217/6799/files/73265210831.pdf
- https://cdn.shopify.com/s/files/1/0437/5147/3301/files/23333696869.pdf
- https://cdn.shopify.com/s/files/1/0433/7680/3990/files/xutoxasobo.pdf
- https://cdn.shopify.com/s/files/1/0427/8845/4559/files/5730958029.pdf
- https://cdn.shopify.com/s/files/1/0435/6695/6707/files/mekilukiperevesikiwi.pdf
- https://cdn.shopify.com/s/files/1/0429/6101/0842/files/88283285830.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ccf3.bin31e69718e087503f217d33ece51449b7cc60bd5d65e555f0bed8983f9bd10649 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCF3 | 5660 bytes |
font_01_sfnt_off0000e02a.bin4fe5c6c82ff1c3fd8e79cfaee54b3adb9432061e9b30aed0cf82f759e14fbcac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE02A | 9988 bytes |
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